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PIMSO 2023 - Science - Secondary 1 - National Round Question 8

PIMSO Science · PIMSO 2023 - Science - Secondary 1 - National Round

Question 8

Temperature may affect the volume occupied by matter. Which phase/s of matter would increase its volume when heated?

Editorial assumption: Use ordinary thermal expansion with volume free to change; exceptions are discussed in the solution.
  1. solid
  2. liquid
  3. gas
  4. liquid and gas
  5. solid, liquid, and gas